Huawei Boasts 700-Mbit/s DSL
Huawei says that speed, which is getting close to the amazing top-end speeds only just being achieved with fiber-to-the-home (FTTH) connections, has been achieved with prototype equipment.
Of course, we are talking specific conditions to achieve this kind of speed: This is not from a DSLAM in a central office, but a remote box in a fiber-to-the-curb (FTTC) or fiber-to-the-building (FTTB) topology using bonded copper techniques. Huawei explains: "SuperMIMO technology uses four twisted pairs to achieve a downstream rate of 700 Mb/s at a distance of 400 meters. This innovative technology methodically addresses crosstalk among multiple twisted pairs and dramatically increases DSL bandwidth by 75 percent, from an average of 100 Mb/s per twisted pair to approximately 175 Mb/s."
I expect this claim to be a talking point at the upcoming Broadband World Forum 2010 in Paris.
— Ray Le Maistre, International Managing Editor, Light Reading